INTRODUCTION: Based on Social Identity Theory, this study hypothesized the parallel mediating roles of organizational commitment, and commitment to beneficiaries, in the relationship between relational job design and future volunteer intentions among episodic volunteers at a mega sport event. Perceived organizational support was tested as a moderator of this relationship. METHODS: Participants were 617 episodic volunteers (35.7% male and 64.3% female) at the 7th CISM Military World Games in Wuhan, China, who completed online questionnaires. RESULTS: Regression-based analyses indicated that rel...